CVE-2026-39991Published

Stored Cross-Site Scripting (XSS) in Note Station file upload functionality

Exact source revision recorded 29 Oct 2026 08:47:47 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

cve-program · CVE-2026-39991

Published

Notes Station 3

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "QNAP Systems Inc.",
                    "product": "Notes Station 3",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "3.9.x",
                            "lessThan": "3.9.12",
                            "versionType": "custom"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

Original source record · Cite this exact observation · Complete original publisher JSON